This command displays the list of installed plugins including
version of plugin and a short description of each.

–verbose shows the path where each plugin is located.

A plugin is an external component for Bazaar that extends the
revision control system, by adding or replacing code in Bazaar.
Plugins can do a variety of things, including overriding commands,
adding new commands, providing additional network transports and
customizing log output.

See the Bazaar Plugin Guide <http://doc.bazaar.canonical.com/plugins/en/>
for further information on plugins including where to find them and how to
install them. Instructions are also provided there on how to write new
plugins using the Python programming language.